Hearing aid

Details Hearing aid Hearing aid

1986-01-22

1988-04-19

Ng, Jin F.

Electrical audio signal processing systems and devices

Sound effects

Reverberators

381 682, 381 691, H04R 300

Patent

active

047395117

ABSTRACT:
A hearing aid having a comparator or comparators which compare speech sound signals obtained by a first transducer with reference voltage(s) as slice level(s) formed from a standard voltage and which output time series square wave containing frequency information according to the relations of amplitude between the speech sound signals and the slice level(s).
The time series square wave is output as mechanical vibrations, which is easy to adjust the level for hearing impaired persons having a narrow dynamic range.
Comparators may be provided for both positive and negative sides and may be divided into plural numbers in order to raise the identification score and information content.

REFERENCES:
patent: 4063048 (1977-12-01), Kissiah
patent: 4207441 (1980-06-01), Ricard
patent: 4581491 (1986-04-01), Boothroyd
patent: 4593696 (1986-06-01), Hochmair
patent: 4617913 (1986-10-01), Eddington
patent: 4689819 (1987-08-01), Killion

Affiliated with

Also associated with

Rating

Hearing aid does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hearing aid, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hearing aid will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2181155